*{
    box-sizing: border-box;
}
body{
    margin: 0;
    padding: 0;
}
header nav{

    width: 9rem;
    margin:  0 auto;
    height: 1rem;
    overflow: hidden;
}
header nav span{
    float: left;
    margin-top: -0.35rem;
    margin-left: 0.1rem;
}
header nav span:nth-child(1){
    margin-top: -0.4rem;
    margin-left: 0.1rem;

}
a{
    text-decoration: none;
    font-size: 0.3rem;
}
header nav span:nth-child(1) a{
    color: green;
    font-size: 0.3rem;
}
header nav span:nth-child(2){
    margin-left: 0.1rem;
}

header nav span:nth-child(2) a{
    color: darkred;
}
header nav span:nth-child(3) form input{
    width: 2.5rem;
    height: 0.5rem;
    margin-left: 0.1rem;
    padding-left: 0.1rem;
    font-size: 0.2rem;
}
.s4{
    margin-left: 0.8rem;

}
.s4 a{
    color: red;
}
.s5 a{
    color: blue;
}
.s6 a{
    color: magenta;
}
.s7 a{
    color: aqua;
}
.s8 a {
    color: fuchsia;
}
.s9 a{
    color: gold;
}
#box{
    width: 9rem;
    margin: 0 auto;
    margin-top: -2rem;
}
#box h1{
    font-size: 2.2rem;
    margin-left: 0.5rem;
    margin-top: 0.5rem;
}
#box h1 a{
    color: red;
}
.image{
    width: 6rem;
    margin: 0 auto;
    height: 2rem;
    margin-top: -1.8rem;
    background-image: url("../images/1.jpg");
    background-size: 100% 100%;
    background-repeat: no-repeat;

}

ul,li{
    margin: 0;
    padding: 0;
    list-style: none;
}
ul li span:nth-child(1){
    color: red;
}
li{
    margin-left: 1.5rem;
    margin-top: -0.6rem;
}
li span {
    font-size: 0.2rem;
    margin-left: -0.1rem;
}
#hot{
    width: 7rem;
    margin: 0 auto;
}
.dzz{
    width: 7rem;
    margin: 0 auto;
    margin-left: 0.8rem;
    display: flex;
}
.dzz h1{
    font-size: 0.4rem;
    color: red;
    margin-left: 0.2rem;
}
.dzz img{
    width: 3rem;
    height: 2.5rem;
}
.sec{
    width: 4rem;
    height: 3rem;
    margin-top: 0.8rem;
}
 h2{
    font-size: 0.4rem;
     margin-left: 0.2rem;
     margin-top: 0.5rem;
     color: red;
}
 h3{
     font-size: 0.2rem;
     margin-left: 0.2rem;
     color: crimson;
 }
 .bu{
     width: 7rem;
     margin: 0 auto;
     margin-left: 0.8rem;
 }
 .bu form textarea{
     width: 7rem;
     height: 2.5rem;
     padding: 0.1rem;
     font-size: 0.3rem;
 }
 form div{
     width: 7rem;
     margin-top: -0.65rem;
 }
 .tt{
     margin-left: 2.3rem;
 }

